Industrial flame-proof platinum resistance is a kind of temperature sensor.A wide application in industrial control system, through the temperature sensor, can control the temperature of the object parameter into electrical signal, passed to the display, record and monitoring instrument, testing, adjusting and control law in the system.In chemical plant, the production site is often accompanied by various kinds of flammable, explosive chemical gas, steam, if use common platinum resistance is not safe, easy to environment caused by gas explosion.On these occasions, therefore, must use the flame-proof thermocouples as temperature sensor, the factory production of flame-proof platinum resistance product is used in d II BT4 ~ d category II CT6 temperature interval explosive gases in dangerous places. Our factory produce flame-proof thermocouple adopts imported components for thermal components, its technical performance in line with the ZBY301-85 industrial platinum electrical technical conditions and indexing table.At the same time products conform to the general requirements for explosive environment with explosion-proof electrical equipment, GB3836.2 GB3836.1-83-83 standard.